You are about to send the following abstract:
Reimann, P. & Bosnjak, M. (1998). Supporting Hypertext-based Argumentation Skills. In T. Ottmann & I. Tomek (Eds.), Proceedings of ED-MEDIA 1998--World Conference on Educational Multimedia, Hypermedia & Telecommunications (pp. 79-81). Freiburg, Germany: Association for the Advancement of Computing in Education (AACE).